{"product_id":"omron-cm-s21-24-safety-control-unit-module-secure-packaging","title":"CM-S21-24 | Omron CM Series Safety Control Unit 24 VAC\/VDC 2-Input 3-Output","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Omron CM-S21-24 Control Unit is a compact safety relay module designed for monitoring and control functions in industrial safety circuits. Operating on 24 VAC or 24 VDC, it features dual voltage inputs and three relay outputs for dependable safety signal processing. Built to meet international safety standards, this unit ensures reliable operation in machine protection and automation systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 441.064px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eIndustrial Automation and Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eCM-S21-24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eSafety Control Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eAlternate Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e445360120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eCM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eSafety Control Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eVoltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eRelay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eContact Current Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e24 VAC \/ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e-10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e+55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e-10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eNEMA 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eIP20 \/ IP40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eCable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003ePanel or DIN Rail (varies by enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eDimensions (W × L × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003e0.00 in × 3.31 in × 0.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eEN 292, EN 1088, EN 50081, EN 50082, EN 60204-1, EN 60947-5-3, EN 61000-6-2, EN 954-1, UL, cUL, TÜV Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8085%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9722%;\"\u003eApprox. 0.25 kg (0.55 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About CM-S21-24\u003c\/h4\u003e\n\u003cp\u003eThe CM-S21-24 is part of Omron’s CM Series of safety and control modules engineered for industrial automation and equipment safety. It includes two voltage inputs and three relay outputs, offering flexible system integration for monitoring interlocks, guards, and emergency stop devices. With an operating temperature range from -10°C to +55°C and an IP20\/IP40 protection rating, it is suitable for installation within control cabinets and protected enclosures. Certified under UL, cUL, and TÜV standards, the CM-S21-24 ensures compliance with global machine safety regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSafety Control Design: Dual-input control unit for industrial safety and monitoring circuits.\u003c\/li\u003e\n\u003cli\u003eWide Voltage Range: Operates on both 24 VAC and 24 VDC power supplies.\u003c\/li\u003e\n\u003cli\u003eMultiple Relay Outputs: Provides three relay outputs for reliable safety signal switching.\u003c\/li\u003e\n\u003cli\u003eHigh Current Capacity: Supports up to 4 A contact current for control circuits.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Protection: Rated IP20\/IP40 with NEMA 6 enclosure compatibility.\u003c\/li\u003e\n\u003cli\u003eTemperature Tolerance: Operates from -10°C to +55°C for demanding conditions.\u003c\/li\u003e\n\u003cli\u003eCertified Safety Standards: Meets EN, UL, and TÜV industrial safety compliance requirements.\u003c\/li\u003e\n\u003cli\u003eCompact, Panel-Ready Build: Designed for efficient installation and integration in control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe CM-S21-24 delivers the reliability and precision required for machine safety, interlock monitoring, and industrial automation protection.\u003c\/p\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":50750233149738,"sku":"CM-S21-24","price":877.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l960_18515825-975b-433e-9afd-49361af20d3d.webp?v=1761646799","url":"https:\/\/iqelectro.com\/products\/omron-cm-s21-24-safety-control-unit-module-secure-packaging","provider":"IQElectro","version":"1.0","type":"link"}